CREATE TABLE `operators` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `username` varchar(50) COLLATE utf8_bin NOT NULL,
  `user_pubkey` binary(32) NOT NULL,
  `data_base64` varchar(255) COLLATE utf8_bin NOT NULL,
  `modified` datetime NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;